:root {
  --bg: #ffffff; --fg: #1d2330; --muted: #6b7385; --card: #f5f7fb; --line: #e3e7ef;
  --accent: #2f80ed; --accent-fg: #ffffff; --pro: #fff7e6;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #11151c; --fg: #e8ecf3; --muted: #9aa3b5; --card: #1a202a; --line: #2a3240; --accent: #4c9aff; --pro: #2a2416; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif; background: var(--bg); color: var(--fg); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }
.row { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.top { border-bottom: 1px solid var(--line); padding: 12px 0; }
.logo { font-weight: 700; font-size: 20px; color: var(--fg); }
nav { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.btn { display: inline-block; background: var(--accent); color: var(--accent-fg); padding: 12px 22px; border-radius: 12px; font-weight: 600; }
.btn:hover { text-decoration: none; filter: brightness(1.05); }
.btn.small { padding: 6px 14px; border-radius: 10px; }
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.hero { padding: 64px 0 40px; text-align: center; }
.hero h1 { font-size: clamp(28px, 5vw, 44px); line-height: 1.2; margin: 0 0 16px; }
.lead { font-size: 18px; color: var(--muted); max-width: 680px; margin: 0 auto 24px; }
.muted { color: var(--muted); font-size: 14px; }
.center { text-align: center; padding: 24px 0 48px; }
section h2 { margin-top: 48px; }
.steps { padding-inline-start: 20px; }
.steps li { margin: 12px 0; }
.steps b { display: block; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 20px; }
.card h3 { margin: 0 0 8px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin: 24px 0; }
.plans .card ul { padding-inline-start: 20px; }
.plans .pro { background: var(--pro); }
.price { font-size: 28px; font-weight: 700; margin: 8px 0; }
.price small { font-size: 14px; color: var(--muted); font-weight: 400; }
.prose { padding-bottom: 48px; }
.prose h2 { margin-top: 32px; font-size: 20px; }
.foot { border-top: 1px solid var(--line); margin-top: 48px; padding: 24px 0; }
.langs { display: flex; gap: 8px; align-items: center; margin: 12px 0; }
.langs select, .langs button { font: inherit; padding: 4px 8px; border-radius: 8px; border: 1px solid var(--line); background: var(--card); color: var(--fg); }